diff options
| -rw-r--r-- | source4/ldap_server/config.mk | 3 | ||||
| -rw-r--r-- | source4/ldap_server/ldap_backend.c | 590 | ||||
| -rw-r--r-- | source4/ldap_server/ldap_bind.c | 40 | ||||
| -rw-r--r-- | source4/ldap_server/ldap_server.c | 43 | ||||
| -rw-r--r-- | source4/ldap_server/ldap_server.h | 36 | ||||
| -rw-r--r-- | source4/ldap_server/ldap_simple_ldb.c | 677 |
6 files changed, 604 insertions, 785 deletions
diff --git a/source4/ldap_server/config.mk b/source4/ldap_server/config.mk index 3bc283e06f1..826597cdcb2 100644 --- a/source4/ldap_server/config.mk +++ b/source4/ldap_server/config.mk @@ -6,8 +6,7 @@ OBJ_FILES = \ ldap_server.o \ ldap_backend.o \ - ldap_bind.o \ - ldap_simple_ldb.o + ldap_bind.o REQUIRED_SUBSYSTEMS = \ LIBCLI_LDAP SAMDB # End SUBSYSTEM SMB diff --git a/source4/ldap_server/ldap_backend.c b/source4/ldap_server/ldap_backend.c index 1e6d05a9bdb..562263371bc 100644 --- a/source4/ldap_server/ldap_backend.c +++ b/source4/ldap_server/ldap_backend.c @@ -22,7 +22,79 @@ #include "ldap_server/ldap_server.h" #include "dlinklist.h" #include "libcli/ldap/ldap.h" +#include "lib/ldb/include/ldb.h" +#include "lib/ldb/include/ldb_errors.h" +#include "dsdb/samdb/samdb.h" + +#define VALID_DN_SYNTAX(dn,i) do {\ + if (!(dn)) {\ + return NT_STATUS_NO_MEMORY;\ + } else if ((dn)->comp_num < (i)) {\ + result = LDAP_INVALID_DN_SYNTAX;\ + errstr = "Invalid DN (" #i " components needed for '" #dn "')";\ + goto reply;\ + }\ +} while(0) + +static int map_ldb_error(struct ldb_context *ldb, int err, const char **errstring) +{ + *errstring = ldb_errstring(ldb); + + /* its 1:1 for now */ + return err; +} + +/* + map controls +*/ +static int get_ldb_controls(void *mem_ctx, struct ldap_Control **controls, struct ldb_control ***lcontrols) +{ + struct ldb_control **lctrl; + int i, l; + + if (controls == NULL || controls[0] == NULL) { + *lcontrols = NULL; + return LDB_SUCCESS; + } + + l = 0; + lctrl = NULL; + *lcontrols = NULL; + + for (i = 0; controls[i] != NULL; i++) { + lctrl = talloc_realloc(mem_ctx, lctrl, struct ldb_control *, l + 2); + if (lctrl == NULL) { + return LDB_ERR_OTHER; + } + lctrl[l] = talloc(lctrl, struct ldb_control); + if (lctrl[l] == NULL) { + return LDB_ERR_OTHER; + } + lctrl[l]->oid = controls[i]->oid; + lctrl[l]->critical = controls[i]->critical; + lctrl[l]->data = controls[i]->value; + l++; + } + lctrl[l] = NULL; + *lcontrols = lctrl; + + return LDB_SUCCESS; +} + +/* + connect to the sam database +*/ +NTSTATUS ldapsrv_backend_Init(struct ldapsrv_connection *conn) +{ + conn->ldb = samdb_connect(conn, conn->session_info); + if (conn->ldb == NULL) { + return NT_STATUS_INTERNAL_DB_CORRUPTION; + } + ldb_set_opaque(conn->ldb, "server_credentials", conn->server_credentials); + + return NT_STATUS_OK; +} struct ldapsrv_reply *ldapsrv_init_reply(struct ldapsrv_call *call, uint8_t type) { @@ -50,11 +122,6 @@ void ldapsrv_queue_reply(struct ldapsrv_call *call, struct ldapsrv_reply *reply) DLIST_ADD_END(call->replies, reply, struct ldapsrv_reply *); } -struct ldapsrv_partition *ldapsrv_get_partition(struct ldapsrv_connection *conn, const char *dn, uint8_t scope) -{ - return conn->default_partition; -} - NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error) { struct ldapsrv_reply *reply; @@ -83,120 +150,549 @@ NTSTATUS ldapsrv_unwilling(struct ldapsrv_call *call, int error) static NTSTATUS ldapsrv_SearchRequest(struct ldapsrv_call *call) { struct ldap_SearchRequest *req = &call->request->r.SearchRequest; - struct ldapsrv_partition *part; + struct ldap_SearchResEntry *ent; + struct ldap_Result *done; + struct ldapsrv_reply *ent_r, *done_r; + void *local_ctx; + struct ldb_context *samdb = call->conn->ldb; + struct ldb_dn *basedn; + struct ldb_result *res = NULL; + struct ldb_request lreq; + enum ldb_scope scope = LDB_SCOPE_DEFAULT; + const char **attrs = NULL; + const char *errstr = NULL; + int success_limit = 1; + int result = LDAP_SUCCESS; + int ldb_ret; + int i, j, y; DEBUG(10, ("SearchRequest")); DEBUGADD(10, (" basedn: %s", req->basedn)); DEBUGADD(10, (" filter: %s\n", ldb_filter_from_tree(call, req->tree))); - part = ldapsrv_get_partition(call->conn, req->basedn, req->scope); + local_ctx = talloc_named(call, 0, "sldb_Search local memory context"); + NT_STATUS_HAVE_NO_MEMORY(local_ctx); + + basedn = ldb_dn_explode(local_ctx, req->basedn); + VALID_DN_SYNTAX(basedn, 0); + + DEBUG(10, ("SearchRequest: basedn: [%s]\n", req->basedn)); + DEBUG(10, ("SearchRequest: filter: [%s]\n", ldb_filter_from_tree(call, req->tree))); + + switch (req->scope) { + case LDAP_SEARCH_SCOPE_BASE: + DEBUG(10,("SearchRequest: scope: [BASE]\n")); + scope = LDB_SCOPE_BASE; + success_limit = 0; + break; + case LDAP_SEARCH_SCOPE_SINGLE: + DEBUG(10,("SearchRequest: scope: [ONE]\n")); + scope = LDB_SCOPE_ONELEVEL; + success_limit = 0; + break; + case LDAP_SEARCH_SCOPE_SUB: + DEBUG(10,("SearchRequest: scope: [SUB]\n")); + scope = LDB_SCOPE_SUBTREE; + success_limit = 0; + break; + } - if (!part->ops->Search) { - struct ldap_Result *done; - struct ldapsrv_reply *done_r; + if (req->num_attributes >= 1) { + attrs = talloc_array(samdb, const char *, req->num_attributes+1); + NT_STATUS_HAVE_NO_MEMORY(attrs); - done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone); - if (!done_r) { - return NT_STATUS_NO_MEMORY; + for (i=0; i < req->num_attributes; i++) { + DEBUG(10,("SearchRequest: attrs: [%s]\n",req->attributes[i])); + attrs[i] = req->attributes[i]; } + attrs[i] = NULL; + } + + DEBUG(5,("ldb_request dn=%s filter=%s\n", + req->basedn, ldb_filter_from_tree(call, req->tree))); - done = &done_r->msg->r.SearchResultDone; - done->resultcode = 53; - done->dn = NULL; - done->errormessage = NULL; - done->referral = NULL; + ZERO_STRUCT(lreq); + lreq.operation = LDB_REQ_SEARCH; + lreq.op.search.base = basedn; + lreq.op.search.scope = scope; + lreq.op.search.tree = req->tree; + lreq.op.search.attrs = attrs; - ldapsrv_queue_reply(call, done_r); - return NT_STATUS_OK; + ldb_ret = get_ldb_controls(local_ctx, call->request->controls, &lreq.controls); + + if (ldb_ret != LDB_SUCCESS) { + /* get_ldb_controls fails only on a critical internal error or when + * a control is defined as critical but it is not supported + */ + goto reply; } - return part->ops->Search(part, call); + ldb_ret = ldb_request(samdb, &lreq); + + res = talloc_steal(samdb, lreq.op.search.res); + + if (ldb_ret == LDB_SUCCESS) { + for (i = 0; i < res->count; i++) { + ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry); + NT_STATUS_HAVE_NO_MEMORY(ent_r); + + ent = &ent_r->msg->r.SearchResultEntry; + ent->dn = ldb_dn_linearize(ent_r, res->msgs[i]->dn); + ent->num_attributes = 0; + ent->attributes = NULL; + if (res->msgs[i]->num_elements == 0) { + goto queue_reply; + } + ent->num_attributes = res->msgs[i]->num_elements; + ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes); + NT_STATUS_HAVE_NO_MEMORY(ent->attributes); + for (j=0; j < ent->num_attributes; j++) { + ent->attributes[j].name = talloc_steal(ent->attributes, res->msgs[i]->elements[j].name); + ent->attributes[j].num_values = 0; + ent->attributes[j].values = NULL; + if (req->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) { + continue; + } + ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values; + ent->attributes[j].values = talloc_array(ent->attributes, + DATA_BLOB, ent->attributes[j].num_values); + NT_STATUS_HAVE_NO_MEMORY(ent->attributes[j].values); + for (y=0; y < ent->attributes[j].num_values; y++) { + ent->attributes[j].values[y].length = res->msgs[i]->elements[j].values[y].length; + ent->attributes[j].values[y].data = talloc_steal(ent->attributes[j].values, + res->msgs[i]->elements[j].values[y].data); + } + } +queue_reply: + ldapsrv_queue_reply(call, ent_r); + } + } + +reply: + done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone); + NT_STATUS_HAVE_NO_MEMORY(done_r); + + done = &done_r->msg->r.SearchResultDone; + done->dn = NULL; + done->referral = NULL; + + if (ldb_ret == LDB_SUCCESS) { + if (res->count >= success_limit) { + DEBUG(10,("SearchRequest: results: [%d]\n", res->count)); + result = LDAP_SUCCESS; + errstr = NULL; + } else if (res->count == 0) { + DEBUG(10,("SearchRequest: no results\n")); + result = LDAP_NO_SUCH_OBJECT; + errstr = ldb_errstring(samdb); + } + if (res->controls) { + done_r->msg->controls = (struct ldap_Control **)(res->controls); + } + } else { + DEBUG(10,("SearchRequest: error\n")); + result = map_ldb_error(samdb, ldb_ret, &errstr); + } + + done->resultcode = result; + done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL); + + talloc_free(local_ctx); + + ldapsrv_queue_reply(call, done_r); + return NT_STATUS_OK; } static NTSTATUS ldapsrv_ModifyRequest(struct ldapsrv_call *call) { struct ldap_ModifyRequest *req = &call->request->r.ModifyRequest; - struct ldapsrv_partition *part; + struct ldap_Result *modify_result; + struct ldapsrv_reply *modify_reply; + void *local_ctx; + struct ldb_context *samdb = call->conn->ldb; + struct ldb_message *msg = NULL; + struct ldb_dn *dn; + const char *errstr = NULL; + int result = LDAP_SUCCESS; + int ldb_ret; + int i,j; DEBUG(10, ("ModifyRequest")); DEBUGADD(10, (" dn: %s", req->dn)); - part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB); + local_ctx = talloc_named(call, 0, "ModifyRequest local memory context"); + NT_STATUS_HAVE_NO_MEMORY(local_ctx); + + dn = ldb_dn_explode(local_ctx, req->dn); + VALID_DN_SYNTAX(dn, 1); + + DEBUG(10, ("ModifyRequest: dn: [%s]\n", req->dn)); + + msg = talloc(local_ctx, struct ldb_message); + NT_STATUS_HAVE_NO_MEMORY(msg); + + msg->dn = dn; + msg->private_data = NULL; + msg->num_elements = 0; + msg->elements = NULL; + + if (req->num_mods > 0) { + msg->num_elements = req->num_mods; + msg->elements = talloc_array(msg, struct ldb_message_element, req->num_mods); + NT_STATUS_HAVE_NO_MEMORY(msg->elements); + + for (i=0; i < msg->num_elements; i++) { + msg->elements[i].name = discard_const_p(char, req->mods[i].attrib.name); + msg->elements[i].num_values = 0; + msg->elements[i].values = NULL; + + switch (req->mods[i].type) { + default: + result = LDAP_PROTOCOL_ERROR; + errstr = "Invalid LDAP_MODIFY_* type"; + goto reply; + case LDAP_MODIFY_ADD: + msg->elements[i].flags = LDB_FLAG_MOD_ADD; + break; + case LDAP_MODIFY_DELETE: + msg->elements[i].flags = LDB_FLAG_MOD_DELETE; + break; + case LDAP_MODIFY_REPLACE: + msg->elements[i].flags = LDB_FLAG_MOD_REPLACE; + break; + } + + msg->elements[i].num_values = req->mods[i].attrib.num_values; + if (msg->elements[i].num_values > 0) { + msg->elements[i].values = talloc_array(msg, struct ldb_val, msg->elements[i].num_values); + NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values); + + for (j=0; j < msg->elements[i].num_values; j++) { + if (!(req->mods[i].attrib.values[j].length > 0)) { + result = LDAP_OTHER; + errstr = "Empty attribute values are not allowed"; + goto reply; + } + msg->elements[i].values[j].length = req->mods[i].attrib.values[j].length; + msg->elements[i].values[j].data = req->mods[i].attrib.values[j].data; + } + } + } + } else { + result = LDAP_OTHER; + errstr = "No mods are not allowed"; + goto reply; + } + +reply: + modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse); + NT_STATUS_HAVE_NO_MEMORY(modify_reply); - if (!part->ops->Modify) { - return ldapsrv_unwilling(call, 53); + if (result == LDAP_SUCCESS) { + ldb_ret = ldb_modify(samdb, msg); + result = map_ldb_error(samdb, ldb_ret, &errstr); } - return part->ops->Modify(part, call); + modify_result = &modify_reply->msg->r.AddResponse; + modify_result->dn = NULL; + modify_result->resultcode = result; + modify_result->errormessage = (errstr?talloc_strdup(modify_reply, errstr):NULL); + modify_result->referral = NULL; + + talloc_free(local_ctx); + + ldapsrv_queue_reply(call, modify_reply); + return NT_STATUS_OK; + } static NTSTATUS ldapsrv_AddRequest(struct ldapsrv_call *call) { struct ldap_AddRequest *req = &call->request->r.AddRequest; - struct ldapsrv_partition *part; + struct ldap_Result *add_result; + struct ldapsrv_reply *add_reply; + void *local_ctx; + struct ldb_context *samdb = call->conn->ldb; + struct ldb_message *msg = NULL; + struct ldb_dn *dn; + const char *errstr = NULL; + int result = LDAP_SUCCESS; + int ldb_ret; + int i,j; DEBUG(10, ("AddRequest")); DEBUGADD(10, (" dn: %s", req->dn)); - part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB); + local_ctx = talloc_named(call, 0, "AddRequest local memory context"); + NT_STATUS_HAVE_NO_MEMORY(local_ctx); + + dn = ldb_dn_explode(local_ctx, req->dn); + VALID_DN_SYNTAX(dn,1); + + DEBUG(10, ("AddRequest: dn: [%s]\n", req->dn)); + + msg = talloc(local_ctx, struct ldb_message); + NT_STATUS_HAVE_NO_MEMORY(msg); + + msg->dn = dn; + msg->private_data = NULL; + msg->num_elements = 0; + msg->elements = NULL; + + if (req->num_attributes > 0) { + msg->num_elements = req->num_attributes; + msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements); + NT_STATUS_HAVE_NO_MEMORY(msg->elements); + + for (i=0; i < msg->num_elements; i++) { + msg->elements[i].name = discard_const_p(char, req->attributes[i].name); + msg->elements[i].flags = 0; + msg->elements[i].num_values = 0; + msg->elements[i].values = NULL; + + if (req->attributes[i].num_values > 0) { + msg->elements[i].num_values = req->attributes[i].num_values; + msg->elements[i].values = talloc_array(msg, struct ldb_val, msg->elements[i].num_values); + NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values); + + for (j=0; j < msg->elements[i].num_values; j++) { + if (!(req->attributes[i].values[j].length > 0)) { + result = LDAP_OTHER; + errstr = "Empty attribute values are not allowed"; + goto reply; + } + msg->elements[i].values[j].length = req->attributes[i].values[j].length; + msg->elements[i].values[j].data = req->attributes[i].values[j].data; + } + } else { + result = LDAP_OTHER; + errstr = "No attribute values are not allowed"; + goto reply; + } + } + } else { + result = LDAP_OTHER; + errstr = "No attributes are not allowed"; + goto reply; + } + +reply: + add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse); + NT_STATUS_HAVE_NO_MEMORY(add_reply); - if (!part->ops->Add) { - return ldapsrv_unwilling(call, 53); + if (result == LDAP_SUCCESS) { + ldb_ret = ldb_add(samdb, msg); + result = map_ldb_error(samdb, ldb_ret, &errstr); } - return part->ops->Add(part, call); + add_result = &add_reply->msg->r.AddResponse; + add_result->dn = NULL; + add_result->resultcode = result; + add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL); + add_result->referral = NULL; + + talloc_free(local_ctx); + + ldapsrv_queue_reply(call, add_reply); + return NT_STATUS_OK; + } static NTSTATUS ldapsrv_DelRequest(struct ldapsrv_call *call) { struct ldap_DelRequest *req = &call->request->r.DelRequest; - struct ldapsrv_partition *part; + struct ldap_Result *del_result; + struct ldapsrv_reply *del_reply; + void *local_ctx; + struct ldb_context *samdb = call->conn->ldb; + struct ldb_dn *dn; + const char *errstr = NULL; + int result = LDAP_SUCCESS; + int ldb_ret; DEBUG(10, ("DelRequest")); DEBUGADD(10, (" dn: %s", req->dn)); - part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB); + local_ctx = talloc_named(call, 0, "DelRequest local memory context"); + NT_STATUS_HAVE_NO_MEMORY(local_ctx); + + dn = ldb_dn_explode(local_ctx, req->dn); + VALID_DN_SYNTAX(dn,1); + + DEBUG(10, ("DelRequest: dn: [%s]\n", req->dn)); - if (!part->ops->Del) { - return ldapsrv_unwilling(call, 53); +reply: + del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse); + NT_STATUS_HAVE_NO_MEMORY(del_reply); + + if (result == LDAP_SUCCESS) { + ldb_ret = ldb_delete(samdb, dn); + result = map_ldb_error(samdb, ldb_ret, &errstr); } - return part->ops->Del(part, call); + del_result = &del_reply->msg->r.DelResponse; + del_result->dn = NULL; + del_result->resultcode = result; + del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL); + del_result->referral = NULL; + + talloc_free(local_ctx); + + ldapsrv_queue_reply(call, del_reply); + return NT_STATUS_OK; } static NTSTATUS ldapsrv_ModifyDNRequest(struct ldapsrv_call *call) { struct ldap_ModifyDNRequest *req = &call->request->r.ModifyDNRequest; - struct ldapsrv_partition *part; + struct ldap_Result *modifydn; + struct ldapsrv_reply *modifydn_r; + void *local_ctx; + struct ldb_context *samdb = call->conn->ldb; + struct ldb_dn *olddn, *newdn, *newrdn; + struct ldb_dn *parentdn = NULL; + const char *errstr = NULL; + int result = LDAP_SUCCESS; + int ldb_ret; DEBUG(10, ("ModifyDNRequrest")); DEBUGADD(10, (" dn: %s", req->dn)); DEBUGADD(10, (" newrdn: %s", req->newrdn)); - part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB); + local_ctx = talloc_named(call, 0, "ModifyDNRequest local memory context"); + NT_STATUS_HAVE_NO_MEMORY(local_ctx); + + olddn = ldb_dn_explode(local_ctx, req->dn); + VALID_DN_SYNTAX(olddn, 2); + + newrdn = ldb_dn_explode(local_ctx, req->newrdn); + VALID_DN_SYNTAX(newrdn, 1); + + DEBUG(10, ("ModifyDNRequest: olddn: [%s]\n", req->dn)); + DEBUG(10, ("ModifyDNRequest: newrdn: [%s]\n", req->newrdn)); - if (!part->ops->ModifyDN) { - return ldapsrv_unwilling(call, 53); + /* we can't handle the rename if we should not remove the old dn */ + if (!req->deleteolddn) { + result = LDAP_UNWILLING_TO_PERFORM; + errstr = "Old RDN must be deleted"; + goto reply; } - return part->ops->ModifyDN(part, call); + if (newrdn->comp_num > 1) { + result = LDAP_NAMING_VIOLATION; + errstr = "Error new RDN invalid"; + goto reply; + } + + if (req->newsuperior) { + parentdn = ldb_dn_explode(local_ctx, req->newsuperior); + VALID_DN_SYNTAX(parentdn, 0); + DEBUG(10, ("ModifyDNRequest: newsuperior: [%s]\n", req->newsuperior)); + + if (parentdn->comp_num < 1) { + result = LDAP_AFFECTS_MULTIPLE_DSAS; + errstr = "Error new Superior DN invalid"; + goto reply; + } + } + + if (!parentdn) { + parentdn = ldb_dn_get_parent(local_ctx, olddn); + NT_STATUS_HAVE_NO_MEMORY(parentdn); + } + + newdn = ldb_dn_make_child(local_ctx, ldb_dn_get_rdn(local_ctx, newrdn), parentdn); + NT_STATUS_HAVE_NO_MEMORY(newdn); + +reply: + modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse); + NT_STATUS_HAVE_NO_MEMORY(modifydn_r); + + if (result == LDAP_SUCCESS) { + ldb_ret = ldb_rename(samdb, olddn, newdn); + result = map_ldb_error(samdb, ldb_ret, &errstr); + } + + modifydn = &modifydn_r->msg->r.ModifyDNResponse; + modifydn->dn = NULL; + modifydn->resultcode = result; + modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL); + modifydn->referral = NULL; + + talloc_free(local_ctx); + + ldapsrv_queue_reply(call, modifydn_r); + return NT_STATUS_OK; } static NTSTATUS ldapsrv_CompareRequest(struct ldapsrv_call *call) { struct ldap_CompareRequest *req = &call->request->r.CompareRequest; - struct ldapsrv_partition *part; + struct ldap_Result *compare; + struct ldapsrv_reply *compare_r; + void *local_ctx; + struct ldb_context *samdb = call->conn->ldb; + struct ldb_result *res = NULL; + struct ldb_dn *dn; + const char *attrs[1]; + const char *errstr = NULL; + const char *filter = NULL; + int result = LDAP_SUCCESS; + int ldb_ret; DEBUG(10, ("CompareRequest")); DEBUGADD(10, (" dn: %s", req->dn)); - part = ldapsrv_get_partition(call->conn, req->dn, LDAP_SEARCH_SCOPE_SUB); - - if (!part->ops->Compare) { - return ldapsrv_unwilling(call, 53); + local_ctx = talloc_named(call, 0, "CompareRequest local_memory_context"); + NT_STATUS_HAVE_NO_MEMORY(local_ctx); + + dn = ldb_dn_explode(local_ctx, req->dn); + VALID_DN_SYNTAX(dn, 1); + + DEBUG(10, ("CompareRequest: dn: [%s]\n", req->dn)); + filter = talloc_asprintf(local_ctx, "(%s=%*s)", req->attribute, + (int)req->value.length, req->value.data); + NT_STATUS_HAVE_NO_MEMORY(filter); + + DEBUGADD(10, ("CompareRequest: attribute: [%s]\n", filter)); + + attrs[0] = NULL; + +reply: + compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse); + NT_STATUS_HAVE_NO_MEMORY(compare_r); + + if (result == LDAP_SUCCESS) { + ldb_ret = ldb_search(samdb, dn, LDB_SCOPE_BASE, filter, attrs, &res); + talloc_steal(samdb, res); + if (ldb_ret != LDB_SUCCESS) { + result = map_ldb_error(samdb, ldb_ret, &errstr); + DEBUG(10,("CompareRequest: error: %s\n", errstr)); + } else if (res->count == 0) { + DEBUG(10,("CompareRequest: doesn't matched\n")); + result = LDAP_COMPARE_FALSE; + errstr = NULL; + } else if (res->count == 1) { + DEBUG(10,("CompareRequest: matched\n")); + result = LDAP_COMPARE_TRUE; + errstr = NULL; + } else if (res->count > 1) { + result = LDAP_OTHER; + errstr = "too many objects match"; + DEBUG(10,("CompareRequest: %d results: %s\n", res->count, errstr)); + } } - return part->ops->Compare(part, call); + compare = &compare_r->msg->r.CompareResponse; + compare->dn = NULL; + compare->resultcode = result; + compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL); + compare->referral = NULL; + + talloc_free(local_ctx); + + ldapsrv_queue_reply(call, compare_r); + return NT_STATUS_OK; } static NTSTATUS ldapsrv_AbandonRequest(struct ldapsrv_call *call) diff --git a/source4/ldap_server/ldap_bind.c b/source4/ldap_server/ldap_bind.c index 0f24ad9a042..cfd70d30d39 100644 --- a/source4/ldap_server/ldap_bind.c +++ b/source4/ldap_server/ldap_bind.c @@ -23,6 +23,8 @@ #include "auth/auth.h" #include "libcli/ldap/ldap.h" #include "smbd/service_stream.h" +#include "lib/ldb/include/ldb.h" +#include "lib/ldb/include/ldb_errors.h" #include "dsdb/samdb/samdb.h" static NTSTATUS ldapsrv_BindSimple(struct ldapsrv_call *call) @@ -55,21 +57,20 @@ static NTSTATUS ldapsrv_BindSimple(struct ldapsrv_call *call) } if (NT_STATUS_IS_OK(status)) { - struct ldapsrv_partition *part; result = LDAP_SUCCESS; errstr = NULL; talloc_free(call->conn->session_info); call->conn->session_info = session_info; - for (part = call->conn->partitions; part; part = part->next) { - if (!part->ops->Bind) { - continue; - } - status = part->ops->Bind(part, call->conn); - if (!NT_STATUS_IS_OK(status)) { - result = LDAP_OPERATIONS_ERROR; - errstr = talloc_asprintf(reply, "Simple Bind: Failed to advise partition %s of new credentials: %s", part->base_dn, nt_errstr(status)); - } + + /* don't leak the old LDB */ + talloc_free(call->conn->ldb); + + status = ldapsrv_backend_Init(call->conn); + + if (!NT_STATUS_IS_OK(status)) { + result = LDAP_OPERATIONS_ERROR; + errstr = talloc_asprintf(reply, "Simple Bind: Failed to advise ldb new credentials: %s", nt_errstr(status)); } } else { status = auth_nt_status_squash(status); @@ -145,7 +146,6 @@ static NTSTATUS ldapsrv_BindSASL(struct ldapsrv_call *call) result = LDAP_SASL_BIND_IN_PROGRESS; errstr = NULL; } else if (NT_STATUS_IS_OK(status)) { - struct ldapsrv_partition *part; struct auth_session_info *old_session_info; result = LDAP_SUCCESS; @@ -163,15 +163,15 @@ static NTSTATUS ldapsrv_BindSASL(struct ldapsrv_call *call) errstr = talloc_asprintf(reply, "SASL:[%s]: Failed to get session info: %s", req->creds.SASL.mechanism, nt_errstr(status)); } else { talloc_free(old_session_info); - for (part = call->conn->partitions; part; part = part->next) { - if (!part->ops->Bind) { - continue; - } - status = part->ops->Bind(part, conn); - if (!NT_STATUS_IS_OK(status)) { - result = LDAP_OPERATIONS_ERROR; - errstr = talloc_asprintf(reply, "SASL:[%s]: Failed to advise partition %s of new credentials: %s", req->creds.SASL.mechanism, part->base_dn, nt_errstr(status)); - } + + /* don't leak the old LDB */ + talloc_free(call->conn->ldb); + + status = ldapsrv_backend_Init(call->conn); + + if (!NT_STATUS_IS_OK(status)) { + result = LDAP_OPERATIONS_ERROR; + errstr = talloc_asprintf(reply, "SASL:[%s]: Failed to advise samdb of new credentials: %s", req->creds.SASL.mechanism, nt_errstr(status)); } } } else { diff --git a/source4/ldap_server/ldap_server.c b/source4/ldap_server/ldap_server.c index 28995f6eb2d..d8124e5f243 100644 --- a/source4/ldap_server/ldap_server.c +++ b/source4/ldap_server/ldap_server.c @@ -228,7 +228,12 @@ static void ldapsrv_recv(struct stream_connection *c, uint16_t flags) { struct ldapsrv_connection *conn = talloc_get_type(c->private, struct ldapsrv_connection); - + + if (conn->limits.ite) { + talloc_free(conn->limits.ite); + conn->limits.ite = NULL; + } + packet_recv(conn->packet); } @@ -257,13 +262,22 @@ static void ldapsrv_send(struct stream_connection *c, uint16_t flags) packet_queue_run(conn->packet); } +static void ldapsrv_conn_init_timeout(struct event_context *ev, + struct timed_event *te, + struct timeval t, + void *private) +{ + struct ldapsrv_connection *conn = talloc_get_type(private, struct ldapsrv_connection); + + ldapsrv_terminate_connection(conn, "Timeout. No requests after initial connection"); +} + /* initialise a server_context from a open socket and register a event handler for reading from that socket */ static void ldapsrv_accept(struct stream_connection *c) { - struct ldapsrv_partition *part; struct ldapsrv_service *ldapsrv_service = talloc_get_type(c->private, struct ldapsrv_service); struct ldapsrv_connection *conn; @@ -337,23 +351,26 @@ static void ldapsrv_accept(struct stream_connection *c) return; } - part = talloc(conn, struct ldapsrv_partition); - if (part == NULL) { - ldapsrv_terminate_connection(conn, "talloc failed"); + if (!NT_STATUS_IS_OK(ldapsrv_backend_Init(conn))) { + ldapsrv_terminate_connection(conn, "backend Init failed"); return; } - part->base_dn = "*"; /* default partition */ - part->ops = ldapsrv_get_sldb_partition_ops(); - if (!NT_STATUS_IS_OK(part->ops->Init(part, conn))) { - ldapsrv_terminate_connection(conn, "default partition Init failed"); - return; - } + /* TODO: load limits from the conf partition */ + + conn->limits.initial_timeout = 10; + conn->limits.conn_idle_time = 60; + conn->limits.max_page_size = 100; + conn->limits.search_timeout = 10; - conn->default_partition = part; - DLIST_ADD_END(conn->partitions, part, struct ldapsrv_partition *); + /* register the server */ irpc_add_name(c->msg_ctx, "ldap_server"); + + /* set connections limits */ + conn->limits.ite = event_add_timed(c->event.ctx, conn, + timeval_current_ofs(conn->limits.initial_timeout, 0), + ldapsrv_conn_init_timeout, conn); } static const struct stream_server_ops ldap_stream_ops = { diff --git a/source4/ldap_server/ldap_server.h b/source4/ldap_server/ldap_server.h index 267b6fb9a7e..1341b22948c 100644 --- a/source4/ldap_server/ldap_server.h +++ b/source4/ldap_server/ldap_server.h @@ -27,14 +27,22 @@ struct ldapsrv_connection { struct auth_session_info *session_info; struct ldapsrv_service *service; struct tls_context *tls; - struct ldapsrv_partition *default_partition; - struct ldapsrv_partition *partitions; struct cli_credentials *server_credentials; + struct ldb_context *ldb; /* are we using gensec wrapping? */ BOOL enable_wrap; struct packet_context *packet; + + struct { + int initial_timeout; + int conn_idle_time; + int max_page_size; + int search_timeout; + + struct timed_event *ite; + } limits; }; struct ldapsrv_call { @@ -47,30 +55,6 @@ struct ldapsrv_call { }; struct ldapsrv_service; -struct ldapsrv_partition; - -struct ldapsrv_partition_ops { - const char *name; - NTSTATUS (*Init)(struct ldapsrv_partition *partition, struct ldapsrv_connection *conn); - NTSTATUS (*Bind)(struct ldapsrv_partition *partition, struct ldapsrv_connection *conn); - NTSTATUS (*Search)(struct ldapsrv_partition *partition, struct ldapsrv_call *call); - NTSTATUS (*Modify)(struct ldapsrv_partition *partition, struct ldapsrv_call *call); - NTSTATUS (*Add)(struct ldapsrv_partition *partition, struct ldapsrv_call *call); - NTSTATUS (*Del)(struct ldapsrv_partition *partition, struct ldapsrv_call *call); - NTSTATUS (*ModifyDN)(struct ldapsrv_partition *partition, struct ldapsrv_call *call); - NTSTATUS (*Compare)(struct ldapsrv_partition *partition, struct ldapsrv_call *call); - NTSTATUS (*Abandon)(struct ldapsrv_partition *partition, struct ldapsrv_call *call); - NTSTATUS (*Extended)(struct ldapsrv_partition *partition, struct ldapsrv_call *call); -}; - -struct ldapsrv_partition { - struct ldapsrv_partition *prev,*next; - - void *private; - const struct ldapsrv_partition_ops *ops; - - const char *base_dn; -}; struct ldapsrv_service { struct tls_params *tls_params; diff --git a/source4/ldap_server/ldap_simple_ldb.c b/source4/ldap_server/ldap_simple_ldb.c deleted file mode 100644 index fd89a197373..00000000000 --- a/source4/ldap_server/ldap_simple_ldb.c +++ /dev/null @@ -1,677 +0,0 @@ -/* - Unix SMB/CIFS implementation. - LDAP server SIMPLE LDB implementation - Copyright (C) Stefan Metzmacher 2004 - Copyright (C) Simo Sorce 2004 - - This program is free software; you can redistribute it and/or modify - it under the terms of the GNU General Public License as published by - the Free Software Foundation; either version 2 of the License, or - (at your option) any later version. - - This program is distributed in the hope that it will be useful, - but WITHOUT ANY WARRANTY; without even the implied warranty of - MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the - GNU General Public License for more details. - - You should have received a copy of the GNU General Public License - along with this program; if not, write to the Free Software - Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA. -*/ - -#include "includes.h" -#include "ldap_server/ldap_server.h" -#include "lib/ldb/include/ldb.h" -#include "lib/ldb/include/ldb_errors.h" -#include "dsdb/samdb/samdb.h" - -#define VALID_DN_SYNTAX(dn,i) do {\ - if (!(dn)) {\ - return NT_STATUS_NO_MEMORY;\ - } else if ((dn)->comp_num < (i)) {\ - result = LDAP_INVALID_DN_SYNTAX;\ - errstr = "Invalid DN (" #i " components needed for '" #dn "')";\ - goto reply;\ - }\ -} while(0) - - -/* - map an error code from ldb to ldap -*/ -static int sldb_map_error(struct ldapsrv_partition *partition, int ldb_ret, - const char **errstr) -{ - struct ldb_context *samdb = talloc_get_type(partition->private, - struct ldb_context); - *errstr = ldb_errstring(samdb); - - /* its 1:1 for now */ - return ldb_ret; -} - -static int sldb_get_ldb_controls(void *mem_ctx, struct ldap_Control **controls, struct ldb_control ***lcontrols) -{ - struct ldb_control **lctrl; - int i, l; - - if (controls == NULL || controls[0] == NULL) { - *lcontrols = NULL; - return LDB_SUCCESS; - } - - l = 0; - lctrl = NULL; - *lcontrols = NULL; - - for (i = 0; controls[i] != NULL; i++) { - lctrl = talloc_realloc(mem_ctx, lctrl, struct ldb_control *, l + 2); - if (lctrl == NULL) { - return LDB_ERR_OTHER; - } - lctrl[l] = talloc(lctrl, struct ldb_control); - if (lctrl[l] == NULL) { - return LDB_ERR_OTHER; - } - lctrl[l]->oid = controls[i]->oid; - lctrl[l]->critical = controls[i]->critical; - lctrl[l]->data = controls[i]->value; - l++; - } - lctrl[l] = NULL; - - *lcontrols = lctrl; - - return LDB_SUCCESS; -} - -/* - connect to the sam database -*/ -NTSTATUS sldb_Init(struct ldapsrv_partition *partition, struct ldapsrv_connection *conn) -{ - TALLOC_CTX *mem_ctx = talloc_new(partition); - struct ldb_context *ldb; - ldb = samdb_connect(mem_ctx, conn->session_info); - if (ldb == NULL) { - talloc_free(mem_ctx); - return NT_STATUS_INTERNAL_DB_CORRUPTION; - } - talloc_steal(partition, ldb); - partition->private = ldb; - talloc_free(mem_ctx); - - ldb_set_opaque(ldb, "server_credentials", conn->server_credentials); - - return NT_STATUS_OK; -} - -/* - Re-connect to the ldb after a bind (this does not handle the bind - itself, but just notes the change in credentials) -*/ -NTSTATUS sldb_Bind(struct ldapsrv_partition *partition, struct ldapsrv_connection *conn) -{ - struct ldb_context *samdb = partition->private; - NTSTATUS status; - status = sldb_Init(partition, conn); - if (NT_STATUS_IS_OK(status)) { - /* don't leak the old LDB */ - talloc_free(samdb); - } - return status; -} - -static NTSTATUS sldb_Search(struct ldapsrv_partition *partition, struct ldapsrv_call *call) -{ - struct ldap_SearchRequest *r = &call->request->r.SearchRequest; - void *local_ctx; - struct ldb_dn *basedn; - struct ldap_Result *done; - struct ldap_SearchResEntry *ent; - struct ldapsrv_reply *ent_r, *done_r; - int result = LDAP_SUCCESS; - struct ldb_context *samdb; - struct ldb_result *res = NULL; - int i, j, y, ret; - int success_limit = 1; - enum ldb_scope scope = LDB_SCOPE_DEFAULT; - const char **attrs = NULL; - const char *errstr = NULL; - struct ldb_request lreq; - - local_ctx = talloc_named(call, 0, "sldb_Search local memory context"); - NT_STATUS_HAVE_NO_MEMORY(local_ctx); - - samdb = talloc_get_type(partition->private, struct ldb_context); - - basedn = ldb_dn_explode(local_ctx, r->basedn); - VALID_DN_SYNTAX(basedn, 0); - - DEBUG(10, ("sldb_Search: basedn: [%s]\n", r->basedn)); - DEBUG(10, ("sldb_Search: filter: [%s]\n", ldb_filter_from_tree(call, r->tree))); - - switch (r->scope) { - case LDAP_SEARCH_SCOPE_BASE: - DEBUG(10,("sldb_Search: scope: [BASE]\n")); - scope = LDB_SCOPE_BASE; - success_limit = 0; - break; - case LDAP_SEARCH_SCOPE_SINGLE: - DEBUG(10,("sldb_Search: scope: [ONE]\n")); - scope = LDB_SCOPE_ONELEVEL; - success_limit = 0; - break; - case LDAP_SEARCH_SCOPE_SUB: - DEBUG(10,("sldb_Search: scope: [SUB]\n")); - scope = LDB_SCOPE_SUBTREE; - success_limit = 0; - break; - } - - if (r->num_attributes >= 1) { - attrs = talloc_array(samdb, const char *, r->num_attributes+1); - NT_STATUS_HAVE_NO_MEMORY(attrs); - - for (i=0; i < r->num_attributes; i++) { - DEBUG(10,("sldb_Search: attrs: [%s]\n",r->attributes[i])); - attrs[i] = r->attributes[i]; - } - attrs[i] = NULL; - } - - DEBUG(5,("ldb_request dn=%s filter=%s\n", - r->basedn, ldb_filter_from_tree(call, r->tree))); - - ZERO_STRUCT(lreq); - lreq.operation = LDB_REQ_SEARCH; - lreq.op.search.base = basedn; - lreq.op.search.scope = scope; - lreq.op.search.tree = r->tree; - lreq.op.search.attrs = attrs; - ret = sldb_get_ldb_controls(local_ctx, call->request->controls, &lreq.controls); - - if (ret != LDB_SUCCESS) { - /* get_ldb_controls fails only on a critical internal error or when - * a control is defined as critical but it is not supported - */ - goto reply; - } - - ret = ldb_request(samdb, &lreq); - - res = talloc_steal(samdb, lreq.op.search.res); - - if (ret == LDB_SUCCESS) { - for (i = 0; i < res->count; i++) { - ent_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultEntry); - NT_STATUS_HAVE_NO_MEMORY(ent_r); - - ent = &ent_r->msg->r.SearchResultEntry; - ent->dn = ldb_dn_linearize(ent_r, res->msgs[i]->dn); - ent->num_attributes = 0; - ent->attributes = NULL; - if (res->msgs[i]->num_elements == 0) { - goto queue_reply; - } - ent->num_attributes = res->msgs[i]->num_elements; - ent->attributes = talloc_array(ent_r, struct ldb_message_element, ent->num_attributes); - NT_STATUS_HAVE_NO_MEMORY(ent->attributes); - for (j=0; j < ent->num_attributes; j++) { - ent->attributes[j].name = talloc_steal(ent->attributes, res->msgs[i]->elements[j].name); - ent->attributes[j].num_values = 0; - ent->attributes[j].values = NULL; - if (r->attributesonly && (res->msgs[i]->elements[j].num_values == 0)) { - continue; - } - ent->attributes[j].num_values = res->msgs[i]->elements[j].num_values; - ent->attributes[j].values = talloc_array(ent->attributes, - DATA_BLOB, ent->attributes[j].num_values); - NT_STATUS_HAVE_NO_MEMORY(ent->attributes[j].values); - for (y=0; y < ent->attributes[j].num_values; y++) { - ent->attributes[j].values[y].length = res->msgs[i]->elements[j].values[y].length; - ent->attributes[j].values[y].data = talloc_steal(ent->attributes[j].values, - res->msgs[i]->elements[j].values[y].data); - } - } -queue_reply: - ldapsrv_queue_reply(call, ent_r); - } - } - -reply: - done_r = ldapsrv_init_reply(call, LDAP_TAG_SearchResultDone); - NT_STATUS_HAVE_NO_MEMORY(done_r); - - done = &done_r->msg->r.SearchResultDone; - done->dn = NULL; - done->referral = NULL; - - if (ret == LDB_SUCCESS) { - if (res->count >= success_limit) { - DEBUG(10,("sldb_Search: results: [%d]\n", res->count)); - result = LDAP_SUCCESS; - errstr = NULL; - } else if (res->count == 0) { - DEBUG(10,("sldb_Search: no results\n")); - result = LDAP_NO_SUCH_OBJECT; - errstr = ldb_errstring(samdb); - } - if (res->controls) { - done_r->msg->controls = (struct ldap_Control **)(res->controls); - } - } else { - DEBUG(10,("sldb_Search: error\n")); - result = ret; - errstr = ldb_errstring(samdb); - } - - done->resultcode = result; - done->errormessage = (errstr?talloc_strdup(done_r, errstr):NULL); - - talloc_free(local_ctx); - - ldapsrv_queue_reply(call, done_r); - return NT_STATUS_OK; -} - -static NTSTATUS sldb_Add(struct ldapsrv_partition *partition, struct ldapsrv_call *call) -{ - struct ldap_AddRequest *r = &call->request->r.AddRequest; - void *local_ctx; - struct ldb_dn *dn; - struct ldap_Result *add_result; - struct ldapsrv_reply *add_reply; - int ldb_ret; - struct ldb_context *samdb; - struct ldb_message *msg = NULL; - int result = LDAP_SUCCESS; - const char *errstr = NULL; - int i,j; - - local_ctx = talloc_named(call, 0, "sldb_Add local memory context"); - NT_STATUS_HAVE_NO_MEMORY(local_ctx); - - samdb = talloc_get_type(partition->private, struct ldb_context); - - dn = ldb_dn_explode(local_ctx, r->dn); - VALID_DN_SYNTAX(dn,1); - - DEBUG(10, ("sldb_add: dn: [%s]\n", r->dn)); - - msg = talloc(local_ctx, struct ldb_message); - NT_STATUS_HAVE_NO_MEMORY(msg); - - msg->dn = dn; - msg->private_data = NULL; - msg->num_elements = 0; - msg->elements = NULL; - - if (r->num_attributes > 0) { - msg->num_elements = r->num_attributes; - msg->elements = talloc_array(msg, struct ldb_message_element, msg->num_elements); - NT_STATUS_HAVE_NO_MEMORY(msg->elements); - - for (i=0; i < msg->num_elements; i++) { - msg->elements[i].name = discard_const_p(char, r->attributes[i].name); - msg->elements[i].flags = 0; - msg->elements[i].num_values = 0; - msg->elements[i].values = NULL; - - if (r->attributes[i].num_values > 0) { - msg->elements[i].num_values = r->attributes[i].num_values; - msg->elements[i].values = talloc_array(msg, struct ldb_val, msg->elements[i].num_values); - NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values); - - for (j=0; j < msg->elements[i].num_values; j++) { - if (!(r->attributes[i].values[j].length > 0)) { - result = LDAP_OTHER; - errstr = "Empty attribute values are not allowed"; - goto reply; - } - msg->elements[i].values[j].length = r->attributes[i].values[j].length; - msg->elements[i].values[j].data = r->attributes[i].values[j].data; - } - } else { - result = LDAP_OTHER; - errstr = "No attribute values are not allowed"; - goto reply; - } - } - } else { - result = LDAP_OTHER; - errstr = "No attributes are not allowed"; - goto reply; - } - -reply: - add_reply = ldapsrv_init_reply(call, LDAP_TAG_AddResponse); - NT_STATUS_HAVE_NO_MEMORY(add_reply); - - if (result == LDAP_SUCCESS) { - ldb_ret = ldb_add(samdb, msg); - result = sldb_map_error(partition, ldb_ret, &errstr); - } - - add_result = &add_reply->msg->r.AddResponse; - add_result->dn = NULL; - add_result->resultcode = result; - add_result->errormessage = (errstr?talloc_strdup(add_reply,errstr):NULL); - add_result->referral = NULL; - - talloc_free(local_ctx); - - ldapsrv_queue_reply(call, add_reply); - return NT_STATUS_OK; -} - -static NTSTATUS sldb_Del(struct ldapsrv_partition *partition, struct ldapsrv_call *call) -{ - struct ldap_DelRequest *r = &call->request->r.DelRequest; - void *local_ctx; - struct ldb_dn *dn; - struct ldap_Result *del_result; - struct ldapsrv_reply *del_reply; - int ldb_ret; - struct ldb_context *samdb; - const char *errstr = NULL; - int result = LDAP_SUCCESS; - - local_ctx = talloc_named(call, 0, "sldb_Del local memory context"); - NT_STATUS_HAVE_NO_MEMORY(local_ctx); - - samdb = talloc_get_type(partition->private, struct ldb_context); - - dn = ldb_dn_explode(local_ctx, r->dn); - VALID_DN_SYNTAX(dn,1); - - DEBUG(10, ("sldb_Del: dn: [%s]\n", r->dn)); - -reply: - del_reply = ldapsrv_init_reply(call, LDAP_TAG_DelResponse); - NT_STATUS_HAVE_NO_MEMORY(del_reply); - - if (result == LDAP_SUCCESS) { - ldb_ret = ldb_delete(samdb, dn); - result = sldb_map_error(partition, ldb_ret, &errstr); - } - - del_result = &del_reply->msg->r.DelResponse; - del_result->dn = NULL; - del_result->resultcode = result; - del_result->errormessage = (errstr?talloc_strdup(del_reply,errstr):NULL); - del_result->referral = NULL; - - talloc_free(local_ctx); - - ldapsrv_queue_reply(call, del_reply); - return NT_STATUS_OK; -} - -static NTSTATUS sldb_Modify(struct ldapsrv_partition *partition, struct ldapsrv_call *call) -{ - struct ldap_ModifyRequest *r = &call->request->r.ModifyRequest; - void *local_ctx; - struct ldb_dn *dn; - struct ldap_Result *modify_result; - struct ldapsrv_reply *modify_reply; - int ldb_ret; - struct ldb_context *samdb; - struct ldb_message *msg = NULL; - int result = LDAP_SUCCESS; - const char *errstr = NULL; - int i,j; - - local_ctx = talloc_named(call, 0, "sldb_Modify local memory context"); - NT_STATUS_HAVE_NO_MEMORY(local_ctx); - - samdb = talloc_get_type(partition->private, struct ldb_context); - - dn = ldb_dn_explode(local_ctx, r->dn); - VALID_DN_SYNTAX(dn, 1); - - DEBUG(10, ("sldb_modify: dn: [%s]\n", r->dn)); - - msg = talloc(local_ctx, struct ldb_message); - NT_STATUS_HAVE_NO_MEMORY(msg); - - msg->dn = dn; - msg->private_data = NULL; - msg->num_elements = 0; - msg->elements = NULL; - - if (r->num_mods > 0) { - msg->num_elements = r->num_mods; - msg->elements = talloc_array(msg, struct ldb_message_element, r->num_mods); - NT_STATUS_HAVE_NO_MEMORY(msg->elements); - - for (i=0; i < msg->num_elements; i++) { - msg->elements[i].name = discard_const_p(char, r->mods[i].attrib.name); - msg->elements[i].num_values = 0; - msg->elements[i].values = NULL; - - switch (r->mods[i].type) { - default: - result = LDAP_PROTOCOL_ERROR; - errstr = "Invalid LDAP_MODIFY_* type"; - goto reply; - case LDAP_MODIFY_ADD: - msg->elements[i].flags = LDB_FLAG_MOD_ADD; - break; - case LDAP_MODIFY_DELETE: - msg->elements[i].flags = LDB_FLAG_MOD_DELETE; - break; - case LDAP_MODIFY_REPLACE: - msg->elements[i].flags = LDB_FLAG_MOD_REPLACE; - break; - } - - msg->elements[i].num_values = r->mods[i].attrib.num_values; - if (msg->elements[i].num_values > 0) { - msg->elements[i].values = talloc_array(msg, struct ldb_val, msg->elements[i].num_values); - NT_STATUS_HAVE_NO_MEMORY(msg->elements[i].values); - - for (j=0; j < msg->elements[i].num_values; j++) { - if (!(r->mods[i].attrib.values[j].length > 0)) { - result = LDAP_OTHER; - errstr = "Empty attribute values are not allowed"; - goto reply; - } - msg->elements[i].values[j].length = r->mods[i].attrib.values[j].length; - msg->elements[i].values[j].data = r->mods[i].attrib.values[j].data; - } - } - } - } else { - result = LDAP_OTHER; - errstr = "No mods are not allowed"; - goto reply; - } - -reply: - modify_reply = ldapsrv_init_reply(call, LDAP_TAG_ModifyResponse); - NT_STATUS_HAVE_NO_MEMORY(modify_reply); - - if (result == LDAP_SUCCESS) { - ldb_ret = ldb_modify(samdb, msg); - result = sldb_map_error(partition, ldb_ret, &errstr); - } - - modify_result = &modify_reply->msg->r.AddResponse; - modify_result->dn = NULL; - modify_result->resultcode = result; - modify_result->errormessage = (errstr?talloc_strdup(modify_reply,errstr):NULL); - modify_result->referral = NULL; - - talloc_free(local_ctx); - - ldapsrv_queue_reply(call, modify_reply); - return NT_STATUS_OK; -} - -static NTSTATUS sldb_Compare(struct ldapsrv_partition *partition, struct ldapsrv_call *call) -{ - struct ldap_CompareRequest *r = &call->request->r.CompareRequest; - void *local_ctx; - struct ldb_dn *dn; - struct ldap_Result *compare; - struct ldapsrv_reply *compare_r; - int result = LDAP_SUCCESS; - struct ldb_context *samdb; - struct ldb_result *res = NULL; - const char *attrs[1]; - const char *errstr = NULL; - const char *filter = NULL; - int ret; - - local_ctx = talloc_named(call, 0, "sldb_Compare local_memory_context"); - NT_STATUS_HAVE_NO_MEMORY(local_ctx); - - samdb = talloc_get_type(partition->private, struct ldb_context); - - dn = ldb_dn_explode(local_ctx, r->dn); - VALID_DN_SYNTAX(dn, 1); - - DEBUG(10, ("sldb_Compare: dn: [%s]\n", r->dn)); - filter = talloc_asprintf(local_ctx, "(%s=%*s)", r->attribute, - (int)r->value.length, r->value.data); - NT_STATUS_HAVE_NO_MEMORY(filter); - - DEBUGADD(10, ("sldb_Compare: attribute: [%s]\n", filter)); - - attrs[0] = NULL; - -reply: - compare_r = ldapsrv_init_reply(call, LDAP_TAG_CompareResponse); - NT_STATUS_HAVE_NO_MEMORY(compare_r); - - if (result == LDAP_SUCCESS) { - ret = ldb_search(samdb, dn, LDB_SCOPE_BASE, filter, attrs, &res); - talloc_steal(samdb, res); - if (ret != LDB_SUCCESS) { - result = LDAP_OTHER; - errstr = ldb_errstring(samdb); - DEBUG(10,("sldb_Compare: error: %s\n", errstr)); - } else if (res->count == 0) { - DEBUG(10,("sldb_Compare: doesn't matched\n")); - result = LDAP_COMPARE_FALSE; - errstr = NULL; - } else if (res->count == 1) { - DEBUG(10,("sldb_Compare: matched\n")); - result = LDAP_COMPARE_TRUE; - errstr = NULL; - } else if (res->count > 1) { - result = LDAP_OTHER; - errstr = "too many objects match"; - DEBUG(10,("sldb_Compare: %d results: %s\n", res->count, errstr)); - } - } - - compare = &compare_r->msg->r.CompareResponse; - compare->dn = NULL; - compare->resultcode = result; - compare->errormessage = (errstr?talloc_strdup(compare_r,errstr):NULL); - compare->referral = NULL; - - talloc_free(local_ctx); - - ldapsrv_queue_reply(call, compare_r); - return NT_STATUS_OK; -} - -static NTSTATUS sldb_ModifyDN(struct ldapsrv_partition *partition, struct ldapsrv_call *call) -{ - struct ldap_ModifyDNRequest *r = &call->request->r.ModifyDNRequest; - void *local_ctx; - struct ldb_dn *olddn, *newdn, *newrdn; - struct ldb_dn *parentdn = NULL; - struct ldap_Result *modifydn; - struct ldapsrv_reply *modifydn_r; - int ldb_ret; - struct ldb_context *samdb; - const char *errstr = NULL; - int result = LDAP_SUCCESS; - - local_ctx = talloc_named(call, 0, "sldb_ModifyDN local memory context"); - NT_STATUS_HAVE_NO_MEMORY(local_ctx); - - samdb = talloc_get_type(partition->private, struct ldb_context); - - olddn = ldb_dn_explode(local_ctx, r->dn); - VALID_DN_SYNTAX(olddn, 2); - - newrdn = ldb_dn_explode(local_ctx, r->newrdn); - VALID_DN_SYNTAX(newrdn, 1); - - DEBUG(10, ("sldb_ModifyDN: olddn: [%s]\n", r->dn)); - DEBUG(10, ("sldb_ModifyDN: newrdn: [%s]\n", r->newrdn)); - - /* we can't handle the rename if we should not remove the old dn */ - if (!r->deleteolddn) { - result = LDAP_UNWILLING_TO_PERFORM; - errstr = "Old RDN must be deleted"; - goto reply; - } - - if (newrdn->comp_num > 1) { - result = LDAP_NAMING_VIOLATION; - errstr = "Error new RDN invalid"; - goto reply; - } - - if (r->newsuperior) { - parentdn = ldb_dn_explode(local_ctx, r->newsuperior); - VALID_DN_SYNTAX(parentdn, 0); - DEBUG(10, ("sldb_ModifyDN: newsuperior: [%s]\n", r->newsuperior)); - - if (parentdn->comp_num < 1) { - result = LDAP_AFFECTS_MULTIPLE_DSAS; - errstr = "Error new Superior DN invalid"; - goto reply; - } - } - - if (!parentdn) { - parentdn = ldb_dn_get_parent(local_ctx, olddn); - NT_STATUS_HAVE_NO_MEMORY(parentdn); - } - - newdn = ldb_dn_make_child(local_ctx, ldb_dn_get_rdn(local_ctx, newrdn), parentdn); - NT_STATUS_HAVE_NO_MEMORY(newdn); - -reply: - modifydn_r = ldapsrv_init_reply(call, LDAP_TAG_ModifyDNResponse); - NT_STATUS_HAVE_NO_MEMORY(modifydn_r); - - if (result == LDAP_SUCCESS) { - ldb_ret = ldb_rename(samdb, olddn, newdn); - result = sldb_map_error(partition, ldb_ret, &errstr); - } - - modifydn = &modifydn_r->msg->r.ModifyDNResponse; - modifydn->dn = NULL; - modifydn->resultcode = result; - modifydn->errormessage = (errstr?talloc_strdup(modifydn_r,errstr):NULL); - modifydn->referral = NULL; - - talloc_free(local_ctx); - - ldapsrv_queue_reply(call, modifydn_r); - return NT_STATUS_OK; -} - -static const struct ldapsrv_partition_ops sldb_ops = { - .Init = sldb_Init, - .Bind = sldb_Bind, - .Search = sldb_Search, - .Add = sldb_Add, - .Del = sldb_Del, - .Modify = sldb_Modify, - .Compare = sldb_Compare, - .ModifyDN = sldb_ModifyDN -}; - -const struct ldapsrv_partition_ops *ldapsrv_get_sldb_partition_ops(void) -{ - return &sldb_ops; -} |